Subtract 60/30 from 1/84, Solve 1/84

Subtract 60/30 from 1/84

1^st number: 1/84, 2^nd number: 2 0/30

1/84 - 60/30 is -167/84.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420
Likewise, for the 2nd fraction, since 30 × 14 = 420,
60/30 = 60 × 14/30 × 14 = 840/420
Subtract the two like fractions:
5/420 - 840/420 = 5 - 840/420 = -835/420
After reducing the fraction, the answer is -167/84

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